Japan Vulnerability NotesJVN:28804532JVN#28804532: Multiple vulnerabilities in WordPress plugin "Ultimate Member"
6.4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:P/A:P
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
0.005 Low
EPSS
Percentile
75.4%
The WordPress plugin “Ultimate Member” provided by Ultimate Member contains multiple vulnerabilities listed below.
Cross-site Scripting (CWE-79) - CVE-2018-0585
| Version | Vector | Score |
|---|---|---|
| CVSS v3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N | Base Score: 5.4 |
| CVSS v2 | AV:N/AC:L/Au:S/C:N/I:P/A:N | Base Score: 4.0 |
Directory Traversal in the shortcodes function (CWE-22) - CVE-2018-0586
| Version | Vector | Score |
|---|---|---|
| CVSS v3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N | Base Score: 5.0 |
| CVSS v2 | AV:N/AC:L/Au:S/C:P/I:N/A:N | Base Score: 4.0 |
Arbitrary File Upload (CWE-434) - CVE-2018-0587
| Version | Vector | Score |
|---|---|---|
| CVSS v3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N | Base Score: 5.3 |
| CVSS v2 | AV:N/AC:L/Au:N/C:N/I:P/A:N | Base Score: 5.0 |
Directory Traversal in the AJAX function (CWE-22) - CVE-2018-0588
| Version | Vector | Score |
|---|---|---|
| CVSS v3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L | Base Score: 7.2 |
| CVSS v2 | AV:N/AC:L/Au:N/C:N/I:P/A:P | Base Score: 6.4 |
Access Restriction Bypass in the “Forms” page (CWE-284) - CVE-2018-0589
| Version | Vector | Score |
|---|---|---|
| CVSS v3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N | Base Score: 4.3 |
| CVSS v2 | AV:N/AC:L/Au:S/C:P/I:N/A:N | Base Score: 4.0 |
Access Restriction Bypass due to an issue in processing “Role” (CWE-284) - CVE-2018-0590
| Version | Vector | Score |
|---|---|---|
| CVSS v3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N | Base Score: 4.3 |
| CVSS v2 | AV:N/AC:L/Au:S/C:P/I:N/A:N | Base Score: 4.0 |
Impact
- An arbitrary script may be executed on the user’s web browser - CVE-2018-0585
- Arbitrary local files on the server may be accessed by a logged-in user - CVE-2018-0586
- An arbitrary image file can be uploaded by a remote attacker, which may be used for unauthorized file sharing - CVE-2018-0587
- A remote attacker may delete arbitrary files on the server - CVE-2018-0588
- A user with the Author role may add a new form - CVE-2018-0589
- Profiles for other users may be modified by a logged-in user - CVE-2018-0590
Solution
Update the plugin
Update the plugin according to the information provided by the developer.
Products Affected
- Ultimate Member prior to version 2.0.4
Related
6.4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:P/A:P
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
0.005 Low
EPSS
Percentile
75.4%